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T-waves in ischemia: hyperacute, inverted (negative), Wellen's sign & de Winter's sign

…1 ). If the T wave and the QRS complex head in opposite directions, the T wave is said to be discordant which is abnormal. Because…

Basic Life Support (BLS) in cardiac arrest

…and ask if the victim is awake. Breathing : Open the airway by tilting the head backward and lifting the chin up. Does the person breathe…

Assessment of the pupillary reflex in cardiac arrest

…8%. This implies that approximately one third of the patients who ultimately had a favorable neurological recovery exhibited an abnormal pupillary reflex upon initial examination…

Cardiac amyloidosis

…Despite congestive heart failure, a third or fourth heart sound is rarely heard due to restrictive pathophysiology and impaired ventricular relaxation [10]. There is also…

🟠 Left ventricular diastolic function

…adult Abnormal relaxation (grade 1 dysfunction) Pseudonormal (grade 2 dysfunction) Reversible restrictive filling (grade 3 dysfunction) Irreversible restrictive filling (grade 4 dysfunction) E/A ratio…

🟠 Right ventricle, pulmonary artery, pulmonary artery pressure

…11.029. Pulmonary valve Pulmonary valve regurgitation Mild regurgiation Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow…

🟠 Left and right atrium

…size and volume Women Men Normal range Mildly abnormal Moderately abnormal Severely abnormal Normal range Mildly abnormal Moderately abnormal Severely abnormal ATRIAL DIMENSIONS LA diameter…

🟠 Pulmonary valve

Pulmonary valve regurgitation Mild regurgiation Moderate regurgitation Severe regurgitation Pulmonary valve morphology normal normal/abnormal abnormal Density CW Doppler weak, slow deceleration variable dense, steep…

The QRS complex: ECG features of the Q-wave, R-wave, S-wave & duration

ECG Introduction to ECG interpretation The QRS complex (ventricular complex): normal and abnormal configurations and intervals A complete QRS complex consists of a Q , R…

Acquired QT Prolongation and Drug-Induced Arrhythmia

…imbalance ECG Definition and Pathophysiology Acquired long QT syndrome (LQTS) is characterised by an abnormal prolongation of the QT interval on the surface electrocardiogram (ECG)…

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